<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<h1>字符串、整数、布尔、数组</h1>
		<script>
			var str="javascript的数据类型";
			console.log(str);
			
			var i=10;
			console.log(i);
			
			var isMan="true";
			console.log(isMan);
			
			var hobby = ["乒乓球","唱歌","爬山","it计算机","下象棋"]
			console.log(hobby);
			console.log(hobby[0]);//数组的下标从0开始
			console.log(hobby[hobby.length-1]);//最后一个元素
		</script>
	</body>
</html>
